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What size of bolt goes in the idler pulley on a Chev Astro Van?
Wiki User
∙ 18y ago
On my 1990 Astro Van w/ 4.3L engine and A/C the idler has a 3/8" dia. bolt 4" long (maybe 3 1/2" - it seemed a bit longer than necessary). I'm faced with moving the idler because the A/C bearing is failing and the A/C is no good. The new location requires a 6" long bolt so I'm assuming that would go for a vehicle that was sold without A/C.
Wiki User
∙ 18y ago
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